在这种状态下，没有工业...而且最糟糕的是，持续的恐惧和暴力死亡的危险。
In such condition there is no place for industry...and which is worst of all， continual fear and danger of violent death.
A real decision is measured by the fact that you've taken a new action. If there's no action, you haven't truly decided.
Collaboration across disciplines is essential to solving the world's energy challenges.
Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.
人类活动已成为塑造地球气候的重要力量。